package 第二章;

public class 俩个数的交换 {
    public static void main(String[] args) {
        String left_1="黑桃10";
        String right_1="红心8";
        String center;
        center=left_1;
        left_1=right_1;
        right_1=center;
        System.out.println("交换之后是：");
        System.out.println("左手是："+left_1);
        System.out.println("右手是："+right_1);
    }
}
